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HIGHLAND CREEK - NEW SPICER MEADOWS RESERVOIR (NSWC1)
Latitude:
38.39º N
Longitude:
120.00º W
Elevation:
6614 Feet
Location: Tuolumne County in CA
River Group: San Joaquin
Issuance Time: Jun 04 2025 at 8:52 AM PDT
Please Note:Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty.

Flow data on this product are unregulated / full natural flow.
2025 Multi-Year Accumulated Volume Plot     Number of years to plot: CSV Ensemble Files (Data in kcfs):  Forecast Group  |  NSWC1
Created with Highcharts 9.2.1Daily Observed Volumes(1000s Ac-Ft)Multi Water Year 2023 to 2025 - Day (mm/dd/yy)Multi-Year VolumeAccumulation (1000s Ac-Ft)Chart context menuNEW SPICER MEADOWS RES - BIG MEADOWS, NR (NSWC1) 06/04/2025Median Forecast: 480 kafCreated: 06/04/2025 at 08:52 AM PDT641 kafRecord High (2017-2019)641 kafRecord High (2017-2019)641 kafRecord High (2017-2019)641 kafRecord High (2017-2019)128 kafRecord Low (2013-2015)128 kafRecord Low (2013-2015)128 kafRecord Low (2013-2015)128 kafRecord Low (2013-2015)May 21, 20234.58 kafMay 21, 20234.58 kaf90%: 479 kaf75%: 479 kaf50%: 480 kaf25%: 481 kaf10%: 481 kafMin Trace (1996: 479 kaf)Median Trace (2008: 480 kaf)Max Trace (1993: 483 kaf)Volume MedVolume MeanTraces (1980-2023)Record HighRecord LowAccum to Date MeanAccum to Date MedianAccum to Date ObsDaily ObsObs Peak Observed to Date Percent of Mean: MM% (474 kaf) Water Year to Date Mean: MM kaf This product only considers meteorological uncertainty and does not account for hydrologic uncertainty. Means/medians are based on the period of Water Years 1980 through 2023. Legend entries below can be toggled on/off.00.40.81.21.622.42.83.23.644.44.85.25.6610/01202202/01202306/01202310/01202302/01202406/01202410/01202402/01202506/01202509/302025050100150200250300350400450500550600650700750
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Location Photographs

ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ069)
Today: Sunny. A slight chance of showers and thunderstorms late in the afternoon. Highs 61 to 76 higher elevations and 74 to 84 lower elevations. Light winds becoming southwest up to 10 mph in the afternoon.

Tonight: Clear. Lows 43 to 58 higher elevations and 54 to 66 lower elevations. Prevailing west winds up to 10 mph in the evening becoming light.

Friday: Sunny. At higher elevations, a slight chance of showers and thunderstorms in the afternoon. Warmer. Highs 64 to 79 higher elevations and 76 to 86 lower elevations. Light winds becoming west up to 10 mph in the afternoon.

Friday Night: Mostly clear. Lows 45 to 60 higher elevations and 56 to 68 lower elevations. Prevailing west winds up to 10 mph in the evening becoming light.

Saturday: Sunny, warmer. Highs 68 to 83 higher elevations and 79 to 89 lower elevations. Light winds becoming west up to 10 mph in the afternoon.

Saturday Night: Mostly clear. Lows 50 to 65.

Sunday: Sunny. Highs 73 to 88.

Sunday Night: Mostly clear. Lows 51 to 66.

Monday through Wednesday: Clear. Highs 73 to 88. Lows 50 to 65.